Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Oakeley slate quarry, photograph
Splitting a slab into pillars for removal from slate mine. This is done by means of specially prepared wedges hammered into holes bored in appropriate places.
At the critical moment the slate cracks with a audible 'ping'.
Pwnc
Diwydiant
Rhif yr Eitem
52.465/25
Derbyniad
Donation
Mesuriadau
Meithder
(mm): 298
Lled
(mm): 251
Techneg
black and white (monochrome photograph)
photograph
Deunydd
papur
Lleoliad
In store
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